MPEG-2 compressed-domain algorithms for video analysis

被引：3
|
作者：
Hesseler, Wolfgang [1 ]
Eickeler, Stefan [1 ]
机构：
[1] Fraunhofer IMK, D-53754 St Augustin, Germany
来源：
EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING | 2006年 / 2006卷 / 1期
关键词：
Information Technology; Vector Field; Quantum Information; Video Sequence; Motion Vector;
D O I：
10.1155/ASP/2006/56940
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents new algorithms for extracting metadata from video sequences in the MPEG-2 compressed domain. Three algorithms for efficient low-level metadata extraction in preprocessing stages are described. The first algorithm detects camera motion using the motion vector field of an MPEG-2 video. The second method extends the idea of motion detection to a limited region of interest, yielding an efficient algorithm to track objects inside video sequences. The third algorithm performs a cut detection using macroblock types and motion vectors. Copyright (C) 2006 Hindawi Publishing Corporation. All rights reserved.
引用
收藏
页码：1 / 11
页数：11
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